EFB Hardware Classifications from AC 120-76B
Class 1
Hardware Portable hardware with no mounting device (docking station, swing-arm, cradle, or kneeboard) and has read-only connectivity to other aircraft systems.
Class 2
Hardware Attached to the aircraft by a mounting device (docking station, swing-arm, cradle, or kneeboard) and may connect to aircraft power and data ports.
Class 3
Hardware Permanently installed aircraft equipment that may share data with the FMS or EICAS.
Software Class Description
EFB Software Classifications from AC 120-76B
Type A
Software The least complex software providing electronic documentation such as flight manuals but no navigational charts.
Type B
Software Provides all Type A information and also can display approach charts, calculate weight and balance, and deliver weather information.
Type C
Software Provides all Type A and B information and can display "own-ship" position on approach and airport charts.
Miscellaneous EASA FAA Presentations from EASA website
http://www.easa.europa.eu/rulemaking/docs/crd/2012/CRD%202012-02.pdf
EASA Expected changes to classifications
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